mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-28 10:59:16 -04:00
Pegasus
43 lines
2.5 KiB
C
43 lines
2.5 KiB
C
/* Authored triangle traversal/cache fixture; no retail input or state. */
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#include "source_gpu_polygon_projection.h"
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#include "gpu_sw_renderer.h"
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#include "psx_sha256.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "source_gpu_polygon_wrap_geometries.h"
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static uint16_t vram[1024*512];
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int g_ws_bd_stretch_on,g_ws_bd_stretch_pct;
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int psx_ws_prim_in_backdrop(void){abort();}
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static void run(unsigned core,unsigned mode,unsigned feedback,unsigned shaded) {
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memset(vram,0,sizeof(vram));
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unsigned ty=feedback?0:256;
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for(unsigned y=0;y<128;y++)for(unsigned x=0;x<256;x++)
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vram[(y+ty)*1024+x]=(uint16_t)(((x*37u+y*113u+1u)&32767u)|32768u);
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for(unsigned i=0;i<256;i++)vram[400*1024+i]=(uint16_t)(((i*97u+1u)&32767u)|32768u);
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int x[3],y[3];for(unsigned i=0;i<3;i++){x[i]=geometry[core].x[i]+geometry[core].offset[0];y[i]=geometry[core].y[i]+geometry[core].offset[1];}
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uint32_t colors[3]={0x808080,0x808080,0x808080};if(shaded){colors[0]=0xe3942b;colors[1]=0x285eb0;colors[2]=0x76c341;}
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SourceGPUTexture texture={0};texture.page=(feedback?0:16)|(mode<<7);texture.clut=400<<6;
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texture.load_clut=1;texture.uv[0]=0x0301;texture.uv[1]=0x65f7;texture.uv[2]=0x7d0e;
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sw_renderer_init(vram);sw_source_texture_control(0,0);sw_source_texture_control(3,texture.page);
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sw_set_draw_area(0,0,1023,511);sw_set_mask_bits(0,0);sw_set_semi_transparency(0,0);
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printf("shade%u-geometry%u-m%u-f%u",shaded,core,mode,feedback);
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for(unsigned pass=0;pass<2;pass++) {
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int extra=-1; if(!sw_draw_source_triangle(x,y,colors,shaded,shaded,0,0,&texture,&extra)){fprintf(stderr,"coordinate guard rejects geometry%u\n",core);exit(1);}
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int work=(shaded?534:264)+source_poly_cost(x,y,0,0,1023,511,1,0,0,0)+extra;
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uint8_t hash[32];psx_sha256_compute((uint8_t*)vram,sizeof(vram),hash);
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printf(" %d ",work);for(unsigned i=0;i<32;i++)printf("%02x",hash[i]);
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}
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puts("");
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}
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static void coordinate_bounds(void) {
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const int invalid[]={-2049,2047},valid[]={-2048,2046};
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for(unsigned axis=0;axis<2;axis++)for(unsigned i=0;i<2;i++) {
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int x[3]={0},y[3]={0};(axis?y:x)[0]=invalid[i];
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if(source_poly_cost(x,y,0,0,1023,511,1,0,0,0)!=-1)abort();
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(axis?y:x)[0]=valid[i];
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if(source_poly_cost(x,y,0,0,1023,511,1,0,0,0)!=0)abort();
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}
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}
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int main(void){coordinate_bounds();for(unsigned shaded=0;shaded<2;shaded++)for(unsigned core=0;core<12;core++)for(unsigned mode=0;mode<3;mode++)for(unsigned feedback=0;feedback<2;feedback++)run(core,mode,feedback,shaded);return 0;}
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